diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7972216b..fc63b52e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,7 @@ project(PracticalToolsForSimpleDesign)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
+# set(CMAKE_COLOR_DIAGNOSTICS ON)
 if (MSVC)
     set(TARGET_COMPILE_OPTIONS
         /W4
diff --git a/README.md b/README.md
index f4ae6546..71df16f5 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,9 @@ cmake --build build
 
 > If using Neovim or other LSP supported editors, append `-DCMAKE_EXPORT_COMPILE_COMMANDS=ON` to the generation command for `clangd` to work
 
+> if output accept, release this line in CMakeLists.txt  `set(CMAKE_COLOR_DIAGNOSTICS ON)` to get colorful output.
+(CMAKE_COLOR_DIAGNOSTICS document)[https://cmake.org/cmake/help/latest/variable/CMAKE_COLOR_DIAGNOSTICS.html]
+
 ### VSCode
 
 TODO